class Clientimport { Client } from "https://deno.land/x/pg@v0.6.1/client.ts"; ConstructorsnewClient(config: ClientConfig)Propertiesprivateconn: Connectionprivateconnected: booleanprivateconnecting: booleanprivateended: booleanprivatequeryable: booleanMethodsconnect()end()query(sql: string): Promise<Query>